/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import business.Alumno;
import business.Contratoalumno;
import business.Reserva;
import business.consultasBD;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Usuario
 */
@WebServlet(name = "FirmarContratoAlumno", urlPatterns = {"/FirmarContratoAlumno"})
public class FirmarContratoAlumno extends BaseServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (checkSession(request, response)) {
                HttpSession hs = request.getSession();
                Alumno a = (Alumno) hs.getAttribute("alumno");
                String anof = request.getParameter("anof");
                String mesf = request.getParameter("mesf");
                Reserva res = (Reserva) hs.getAttribute("reservaAlumno");
                Calendar cal1 = new GregorianCalendar();
                Date dateini = cal1.getTime();
                Calendar cal2 = new GregorianCalendar();
                cal1.setTimeZone(TimeZone.getTimeZone("GMT+1"));
                cal2.set(Integer.parseInt(anof), Integer.parseInt(mesf), 31);
                Date datefin = cal2.getTime();
                Contratoalumno c = new Contratoalumno(a, dateini, datefin, res.getHabitacion(), "vigente");
                consultasBD cdb = new consultasBD();
                a = cdb.persistirContratoAlumno(a, c);

                if (a.getContratoalumnos() != null) {
                    if (a.getContratoalumnos().size() > 1) {
                        if (a.getContratoalumnos().get(a.getContratoalumnos().size() - 2).getEstado().equals("vigente")) {
                            cdb.anularContrato(a.getContratoalumnos().get(a.getContratoalumnos().size() - 2).getIdcontratoalumno().toString());
                        }
                    }
                }

                cdb.cambiarEstadoReserva(res.getIdreserva().toString(), "confirmada");
                hs.removeAttribute("reservaAlumno");
                hs.removeAttribute("alumno");
                hs.setAttribute("alumno", a);
                cdb.cambiaEstadoHabitacion(res.getHabitacion(), "ocupada");
                redirect("/HomeAlumno", request, response);
            }

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
